• Since the 1980s, different syntaxes for writing regular expressions exist, one being the POSIX standard and another, widely used, being the Perl syntax. (wikipedia.org)
  • Regular expressions are used in search engines , search and replace dialogs of word processors and text editors , in text processing utilities such as sed and AWK and in lexical analysis . (wikipedia.org)
  • The phrase regular expressions , and consequently, regexes , is often used to mean the specific, standard textual syntax (distinct from the mathematical notation described below) for representing patterns for matching text. (wikipedia.org)
  • Regular expressions originated in 1951, when mathematician Stephen Cole Kleene described regular languages using his mathematical notation called regular sets . (wikipedia.org)
  • Other early implementations of pattern matching include the SNOBOL language, which did not use regular expressions, but instead its own pattern matching constructs. (wikipedia.org)
  • Regular expressions entered popular use from 1968 in two uses: pattern matching in a text editor [5] and lexical analysis in a compiler. (wikipedia.org)
  • Regular expressions use conventions similar to but more elaborate than those described under glob . (foldoc.org)
  • The earliest form of regular expressions (and the term itself) were invented by mathematician Stephen Cole Kleene in the mid-1950s, as a notation to easily manipulate "regular sets", formal descriptions of the behaviour of finite state machines , in regular algebra . (foldoc.org)
  • This article discusses the topic of validation of an Email address with regular expressions, and finally presents a C# working example project. (codeproject.com)
  • Recently I was toying with regular expressions, in particular with the expressions for e-mail validation. (codeproject.com)
  • But this stuff is really simple and can be converted to any programming language with the support of regular expressions. (codeproject.com)
  • Regular expressions are a well recognized way for describing string patterns. (codeproject.com)
  • The rules for interpreting and constructing such regular expressions are explained below. (codeproject.com)
  • Besides being quite fast, it also supports dictionaries of regular expressions. (codeproject.com)
  • Regular expressions can be built from characters and special symbols. (codeproject.com)
  • There are some similarities between regular expressions and arithmetic expressions. (codeproject.com)
  • The most basic elements of regular expressions are characters, regular expressions enclosed in parens ( ) and character sets. (codeproject.com)
  • On the next higher level, arithmetic expressions have '*' and '/' operators, whereas regular expressions have operators indicating the multiplicity of the preceding element. (codeproject.com)
  • The bad news is that for too long, regular expressions have been the exclusive property of only the most tech savvy. (informit.com)
  • Section I, Cardiac Gene Expression Profiling: The Global Perspective, discusses several different approaches to examining, identifying, and analyzing changes in transcriptome gene expression. (springer.com)
  • The WG Expression Profiling focusses on the analysis of expression of biological quantities which have been measured in multiple samples (expression profiles) using high-throughput omics technologies. (ruhr-uni-bochum.de)
  • The WG Expression Profiling also provides self-developed software tools (e.g. (ruhr-uni-bochum.de)
  • Genome-wide expression profiling in pediatric septic shock. (psu.edu)
  • Almost a decade of genome-wide expression profiling in pediatric septic shock is now demonstrating tangible results. (psu.edu)
  • Expression profiling using cDNA microarrays. (nih.gov)
  • Transcriptome-wide profiling and expression ana. (scoop.it)
  • The expression syntax allows the calculation of values from primitive parts using arithmetic, logical, set, and other operations. (postgresql.org)
  • Currently the expression language is primarily built around simple arithmetic operators, such as + , - , * , and / using infix notation. (eclipse.org)
  • Section II, Cardiac Gene Regulation: Gene-Specific mRNA Measurement in the Myocardium, outlines more sensitive and gene-targeted expression methods. (springer.com)
  • The expression system is made up of a gene, which is encoded by DNA, and the machinery needed to make mRNA from the DNA and translate that into a protein. (news-medical.net)
  • Thus, the mRNA expression data implicitly contained information about developmental relationships among cell types. (pnas.org)
  • Try not to hide any natural facial expressions that come to you. (fastcompany.com)
  • Resting facial expressions aren't always a direct correlation of how you're feeling. (wikihow.com)
  • This might make you more comfortable with your facial expressions, but it won't help you better control your facial muscles. (wikihow.com)
  • facial expressions may allow researchers and veterinarians to monitor spontaneous pain over long timescales. (scientificamerican.com)
  • To analyse facial expressions in mice, geneticist Jeffrey Mogil at McGill University in Montreal, Canada, and his colleagues have adapted a coding system used to measure pain in infants. (scientificamerican.com)
  • This is the first study that has examined facial expressions of pain in non-human animals,' says Craig. (scientificamerican.com)
  • The main interest of our lab is to understand the physical basis underlying molecular mechanisms of gene expression. (google.com)
  • The researchers studied mice stem cells to explore the mechanisms of gene expression. (nih.gov)
  • This module will give a thorough understanding of the molecular mechanisms of gene expression and its control, in mammals, to enable you to pursue independent study in this area. (le.ac.uk)
  • An alga that seems healthy from a physiological point of view appears altered when its gene's expression is examined. (eurekalert.org)
  • In each mouse line, expression of the reporter or recombinase is controlled by promoter elements derived from a bacterial artificial chromosome (BAC) containing a specific gene of interest, in order to mimic the gene's expression pattern. (nih.gov)
  • Does anyone know of any mammalian expression vectors which produces a tag which can be used for co-immunoprecipitation studies and allows blue/ white selection in E.coli? (bio.net)
  • Does anyone know a sorce of T7 expression vectors for E.coli that allow expression of the protein of interest WITHOUT any N- or C-terminal additions (my protein is to be affinity purified anyway)? (bio.net)
  • At a finer scale, we discovered robust differences in glutamate receptor expression between the species. (sciencemag.org)
  • Principal component analysis revealed strikingly pervasive differences in relative levels of gene expression among cell lineages that involve most of the subsets examined. (pnas.org)
  • One of the things that's exciting about this work is that identifying the genetic variants that account for gene expression differences could help the field to find those genetic variants that affect disease risk," he says. (scientificamerican.com)
  • No statistically significant differences in EP1 expression were found across the different lesions of the oesophageal adenocarcinogenetic sequence ( Table 2a ). (medscape.com)
  • Sex differences in muscle gene expression were further reduced with long-term endurance exercise, an international research team found. (genomeweb.com)
  • Taking cotton as their study system over the past decade, the Wendel lab have applied a portfolio of newly emerging technologies to characterise patterns of gene expression in wild and cultivated species of diploid and allopolyploid cotton. (scoop.it)
  • To better understand gene-gene co-expression based on biological regulation but not SCNA, we describe a method termed "Genomic Regression Analysis of Coordinated Expression" (GRACE) to adjust for the effect of SCNA in co-expression analysis. (nature.com)
  • The availability of this genomic information made it possible to compare gene expression of algae exposed to different concentrations of mercury and to determine the associated effects. (eurekalert.org)
  • The availability of complete genomic sequences and technologies that allow comprehensive analysis of global expression profiles of messenger RNA have greatly expanded our ability to monitor the internal state of a cell. (nih.gov)
  • Veracyte's first product - the Afirma┬« Thyroid FNA Analysis - combines specialized cytopathology assessment with the Afirma Gene Expression Classifier, a genomic test that clarifies inconclusive thyroid nodule results as benign or suspicious for cancer. (prnewswire.com)
  • Gene expression is the process by which DNA is used to make proteins, which then go on to perform various important functions in the body. (news-medical.net)
  • These proteins act as modulators of bacterial gene expression. (ebi.ac.uk)
  • YmoA modulates the expression of various virulence factors, such as Yop proteins and YadA adhesin, in response to temperature. (ebi.ac.uk)
  • Madrid C, Nieto JM, Juarez A. Role of the Hha/YmoA family of proteins in the thermoregulation of the expression of virulence factors. (ebi.ac.uk)
  • Eclipse Community Forums: Newcomers ┬╗ JSP/Expression Language Content Assist? (eclipse.org)
  • Is there any way to get Content Assist for EL expressions? (eclipse.org)
  • The key aim of the REMIX network is to combine the skills of European research groups to strategically train the next generation of scientists in a program that will contribute to elucidating the molecular mechanisms and pathways that regulate mitochondrial gene expression. (eurekalert.org)
  • This application proposes to study the molecular basis of retinal development using the regulation of rhodopsin gene expression as a model system. (hopkinsmedicine.org)
  • Genetic Expression in the Cell Cycle provides an understanding of the molecular mechanisms that govern the expression of genetic information during the cell cycle. (elsevier.com)
  • GeneLab undertakes specific research and training projects, which require expertise in gene cloning, PCR, DNA sequencing, cDNA library construction, gene expression and other molecular methods. (lsu.edu)
  • A novel yeast expression system was developed in the lab of Prof. Manfred Schmitt from the Department of Applied Molecular Biology of the Saarland University which is based on recombinant derivatives of the yeast (Saccharomyces cerevisiae) virus ScV. (innovations-report.com)
  • We also provide variants of this strain tailored for specific protein expression needs. (neb.com)
  • Immunohistochemical analysis was performed to determine protein expression levels and the specific cellular localization of COX isoenzymes and EP receptors. (medscape.com)
  • Immunohistochemical analysis of EP2 protein expression. (medscape.com)
  • Finally, COX-2 protein expression was absent or weak in normal oesophageal epithelium and its expression increased according to the severity of the lesion, reaching the highest levels in samples with high-grade intraepithelial neoplasia and adenocarcinoma. (medscape.com)
  • Tumor cells with decreased expression of these antigens were shown to have a higher metastatic tendency. (google.com)
  • Researchers in the laboratory of Mikhail Shapiro, assistant professor of chemical engineering and Heritage Medical Research Institute Investigator, have invented a new method to link magnetic resonance imaging (MRI) signals to gene expression in cells--including tumor cells--in living tissues. (innovations-report.com)
  • The researchers showed that this technique was successful in monitoring gene expression in a brain tumor in mice. (innovations-report.com)
  • Spatial and temporal compartmentalization of gene expression in response to environmental cues allows cells to avoid futile reactions in metabolism, promotes efficiency in the stoichiometric assembly of macromolecular complexes, and reduces noise in signal transduction pathways, among other functions. (nature.com)
  • At least two genetic pathways regulating organism longevity act by modifying gene expression. (hindawi.com)
  • This study demonstrates, for the first time in humans, that large changes in gene expression are likely an important mechanism by which these omega fatty acids exert their potent clinical effects. (redorbit.com)
  • In addition to the differential susceptibilities depending on the ABO phenotype, altered expression of ABH antigens in cancer has also been reported. (google.com)
  • A method for making a genetically modified plant comprising regenerating a whole plant from a plant cell that has been transfected with DNA sequences comprising a first gene whose expression results in an altered plant phenotype linked to a transiently active promoter, the gene and promoter being separated. (google.com)
  • Expression is a powerful application for DNA and protein sequence analysis. (bio-medicine.org)
  • Utilising a novel interface, Expression makes complex computational analyses of sequence information incredibly simple. (bio-medicine.org)
  • Pitavastatin induces PON1 expression through p44/42 mitogen-activated protein kinase signaling cascade in Huh7 cells," Atherosclerosis , vol. 202, no. 2, pp. 439-445, 2009. (hindawi.com)
  • Small molecules that target specific DNA sequences have the potential to control gene expression. (nih.gov)
  • Mice with a mutation that has been linked to migraines in humans showed pained expressions that subsided when they were given an anti-migraine drug. (scientificamerican.com)
  • The technique, which eventually could be used in humans, would allow gene expression to be monitored non-invasively, requiring no surgical procedures such as biopsies. (innovations-report.com)
  • The finding of a discontinuous transgene expression gradient in 3 out of 3 transgenic lines with one of the constructs suggests the existence of a "topographical" regulatory element which defines spatial expression across the retina. (hopkinsmedicine.org)
  • The delta keyword defines the final statement in an expression. (eclipse.org)
  • In addition to this list, there are a number of constructs that can be classified as an expression but do not follow any general syntax rules. (postgresql.org)
  • The enzyme that synthesizes RNA (RNA polymerase) binds to promoter sequences along with transcription factors that either activate or repress promoters, therefore regulating gene expression. (news-medical.net)
  • Preliminary transgenic mouse studies with fusion construct sconsisting of sequences upstream of the bovine rhodopsin gene ligated to the reporter gene lacZ (beta-galactosidase) have identified cis-acting DNA regulatory sequences that are capable of directing photoreceptor cell-specific gene expression. (hopkinsmedicine.org)
  • Expression uses the very latest computing technology to set new standards in the way sequences are analysed. (bio-medicine.org)
  • The Polymerase Chain Reaction (PCR), with its sensitive and selective amplification of specific nucleic acid sequences has become a research tool of almost unparalleled importance, with applications in, for example, cloning, gene expression analysis, DNA sequencing, genetic mapping and diagnostics. (google.ca)
  • The team focused on DNA methylation, which blocks the genetic sequences behind gene expression, and can "silence" the activity of a gene. (psychcentral.com)
  • However, the term usually refers to gene expression in the laboratory. (news-medical.net)
  • The intuitive interface amd comprehensive set of online tutorials means that Expression is easy to learn for professionals in the laboratory, as well as being readily adaptable for educational purposes. (bio-medicine.org)
  • We also examined the expression pattern of these TF-encoding transcripts in six male and female developmental stages in vegetative and reproductive gametophytic tissues of Marchantia. (scoop.it)
  • This family consists of haemolysin expression modulating protein (Hha) from Escherichia coli and its enterobacterial homologues, such as YmoA from Yersinia enterocolitica, and RmoA encoded on the R100 plasmid. (ebi.ac.uk)
  • FNR-mediated regulation of hyp expression in Escherichia coli. (ebi.ac.uk)
  • Hha, along with the chromatin-associated protein H-NS, is involved in the regulation of expression of the toxin alpha-haemolysin in response to osmolarity and temperature [ PMID: 11790731 ]. (ebi.ac.uk)
  • The Court found a violation of Article 10 (Freedom of expression) emphasising that the right of journalists not to disclose their sources could not be considered a privilege, dependent on the lawfulness or unlawfulness of their sources, but rather as an intrinsic part of the right to information. (coe.int)
  • this is the first judgment concerning freedom of expression and information via the press. (coe.int)
  • This video examines the issues surrounding freedom of expression on the web, and explains what the Council of Europe is doing in this field. (coe.int)
  • Since 2012, the Russian authorities have intensified a crackdown on freedom of expression, selectively casting certain kinds of criticism of the government as threats to state security and public stability and introducing significant restrictions to online expression and invasive surveillance of online activity. (hrw.org)
  • While new restrictions on freedom of expression appear to target political opposition or civic groups, they affect all Russians. (hrw.org)
  • Such unchecked surveillance has a stifling effect on freedom of expression online. (hrw.org)
  • The law makes it easier for the authorities to identify users and access personal information without judicial oversight, unjustifiably interfering with privacy and freedom of expression. (hrw.org)
  • Freedom of expression is protected under the Indian constitution and international treaties to which India is a party. (hrw.org)
  • Successive governments have made commitments to protect freedom of expression. (hrw.org)
  • While India's courts have generally protected freedom of expression, their record is uneven. (hrw.org)
  • Some lower courts continue to issue poorly reasoned, speech-limiting decisions, and the Supreme Court, while often a forceful defender of freedom of expression, has at times been inconsistent, leaving lower courts to choose which precedent to emphasize. (hrw.org)
  • Netflix's decision to pull an episode of a show critical of Saudi authorities risks facilitating a crackdown on freedom of expression in the kingdom, Amnesty International said Wednesday. (japantimes.co.jp)
  • U.S. President Donald Trump's verbal attacks on the media run the risk of triggering real violence against journalists, the U.N. rapporteur for freedom of expression said on Thursday. (japantimes.co.jp)
  • A controversial law to criminalize the planning of certain crimes that was steamrolled through the Diet early Thursday provoked large protests by opponents who say it could lead to abuse of power and curtail freedom of expression. (japantimes.co.jp)
  • A United Nations expert on Friday defended his report on significant threats to freedom of expression in Japan as factually accurate, rebutting the Japanese government's assertions that his views are based on "hearsay information. (japantimes.co.jp)
  • A U.N. special rapporteur who visited Japan last year noted "significant worrying signals" for the country's freedom of expression and opinion in a report released Tuesday. (japantimes.co.jp)
  • A ban on "mannequin flash mobs" issued by a city in Kanagawa Prefecture, was set aside by a district court on Wednesday without assessing whether the order violated the constitutional right to freedom of expression. (japantimes.co.jp)
  • Japan's restrictions on freedom of expression are growing but its sleepy public might not wake up before it's too late, a U.N. special rapporteur warns. (japantimes.co.jp)
  • A United Nations expert on freedom of expression concludes that Japan's media independence is being jeopardized by government pressure. (japantimes.co.jp)
  • How could China understand freedom of expression when it goes out of its way to restrict and control its citizens' freedom of speech? (taipeitimes.com)
  • Does Taiwan understand freedom of expression? (taipeitimes.com)
  • They ceaselessly demean Taiwan and praise China while using freedom of expression as justification. (taipeitimes.com)
  • Freedom of expression in Taiwan does not have "Taiwan's sovereignty" as a common core value. (taipeitimes.com)
  • Denmark has demonstrated the true essence of the freedom of expression, which is founded upon a citizens' consensus and puts the "right" side foremost. (taipeitimes.com)