Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression

/
/

Test String

Substitution

Processing...

Code Generator

Generated Code

# coding=utf8 # the above tag defines encoding for this document and is for Python 2.x compatibility import re regex = r"\/\*(.|\n|\r)*\*\/" test_str = ("\n" "package es.elcorteingles.ns.integrations.schema.omnistoreordernotification._2_0;\n\n" "import javax.xml.bind.annotation.XmlAccessType;\n" "import javax.xml.bind.annotation.XmlAccessorType;\n" "import javax.xml.bind.annotation.XmlType;\n\n\n" "/**\n" " * Contiene informacion del coste a nivel de\n" " * ShippingGroup.\n" " * - Importe total.\n" " * - Importe pendiente a cobrar.\n" " * - Importe\n" " * del gasto de envío\n" " * \n" " * \n" " * <p>Java class for ShippingGroupPriceInfoType complex type.\n" " * \n" " * <p>The following schema fragment specifies the expected content contained within this class.\n" " * \n" " * <pre>\n" " * &lt;complexType name=\"ShippingGroupPriceInfoType\">\n" " * &lt;complexContent>\n" " * &lt;restriction base=\"{http://www.w3.org/2001/XMLSchema}anyType\">\n" " * &lt;sequence>\n" " * &lt;element name=\"totalCost\" type=\"{http://www.elcorteingles.es/ns/integrations/schema/OmniStoreOrderNotification/2_0}AmountType\" minOccurs=\"0\"/>\n" " * &lt;element name=\"pendingCost\" type=\"{http://www.elcorteingles.es/ns/integrations/schema/OmniStoreOrderNotification/2_0}AmountType\" minOccurs=\"0\"/>\n" " * &lt;element name=\"shippingCost\" type=\"{http://www.elcorteingles.es/ns/integrations/schema/OmniStoreOrderNotification/2_0}AmountType\" minOccurs=\"0\"/>\n" " * &lt;element name=\"groupDiscountsAmount\" type=\"{http://www.elcorteingles.es/ns/integrations/schema/OmniStoreOrderNotification/2_0}AmountType\" minOccurs=\"0\"/>\n" " * &lt;element name=\"totalNetAmount\" type=\"{http://www.elcorteingles.es/ns/integrations/schema/OmniStoreOrderNotification/2_0}AmountType\" minOccurs=\"0\"/>\n" " * &lt;/sequence>\n" " * &lt;/restriction>\n" " * &lt;/complexContent>\n" " * &lt;/complexType>\n" " * </pre>\n" " * \n" " * \n" " */\n" "@XmlAccessorType(XmlAccessType.FIELD)\n" "@XmlType(name = \"ShippingGroupPriceInfoType\", propOrder = {\n" " \"totalCost\",\n" " \"pendingCost\",\n" " \"shippingCost\",\n" " \"groupDiscountsAmount\",\n" " \"totalNetAmount\"\n" "})\n" "public class ShippingGroupPriceInfoType {\n\n" " protected AmountType totalCost;\n" " protected AmountType pendingCost;\n" " protected AmountType shippingCost;\n" " protected AmountType groupDiscountsAmount;\n" " protected AmountType totalNetAmount;\n\n" " /**\n" " * Gets the value of the totalCost property.\n" " * \n" " * @return\n" " * possible object is\n" " * {@link AmountType }\n" " * \n" " */\n" " public AmountType getTotalCost() {\n" " return totalCost;\n" " }\n\n" " /**\n" " * Sets the value of the totalCost property.\n" " * \n" " * @param value\n" " * allowed object is\n" " * {@link AmountType }\n" " * \n" " */\n" " public void setTotalCost(AmountType value) {\n" " this.totalCost = value;\n" " }\n\n" " /**\n" " * Gets the value of the pendingCost property.\n" " * \n" " * @return\n" " * possible object is\n" " * {@link AmountType }\n" " * \n" " */\n" " public AmountType getPendingCost() {\n" " return pendingCost;\n" " }\n\n" " /**\n" " * Sets the value of the pendingCost property.\n" " * \n" " * @param value\n" " * allowed object is\n" " * {@link AmountType }\n" " * \n" " */\n" " public void setPendingCost(AmountType value) {\n" " this.pendingCost = value;\n" " }\n\n" " /**\n" " * Gets the value of the shippingCost property.\n" " * \n" " * @return\n" " * possible object is\n" " * {@link AmountType }\n" " * \n" " */\n" " public AmountType getShippingCost() {\n" " return shippingCost;\n" " }\n\n" " /**\n" " * Sets the value of the shippingCost property.\n" " * \n" " * @param value\n" " * allowed object is\n" " * {@link AmountType }\n" " * \n" " */\n" " public void setShippingCost(AmountType value) {\n" " this.shippingCost = value;\n" " }\n\n" " /**\n" " * Gets the value of the groupDiscountsAmount property.\n" " * \n" " * @return\n" " * possible object is\n" " * {@link AmountType }\n" " * \n" " */\n" " public AmountType getGroupDiscountsAmount() {\n" " return groupDiscountsAmount;\n" " }\n\n" " /**\n" " * Sets the value of the groupDiscountsAmount property.\n" " * \n" " * @param value\n" " * allowed object is\n" " * {@link AmountType }\n" " * \n" " */\n" " public void setGroupDiscountsAmount(AmountType value) {\n" " this.groupDiscountsAmount = value;\n" " }\n\n" " /**\n" " * Gets the value of the totalNetAmount property.\n" " * \n" " * @return\n" " * possible object is\n" " * {@link AmountType }\n" " * \n" " */\n" " public AmountType getTotalNetAmount() {\n" " return totalNetAmount;\n" " }\n\n" " /**\n" " * Sets the value of the totalNetAmount property.\n" " * \n" " * @param value\n" " * allowed object is\n" " * {@link AmountType }\n" " * \n" " */\n" " public void setTotalNetAmount(AmountType value) {\n" " this.totalNetAmount = value;\n" " }\n\n" "}\n") subst = "" # You can manually specify the number of replacements by changing the 4th argument result = re.sub(regex, subst, test_str, 1) if result: print (result) # Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Python, please visit: https://docs.python.org/3/library/re.html